<template>
  <div class="shopcart">
    <div class="content" @click="toggleList">
      <div class="content-left">
        <div class="logo-wrapper">
          <div class="logo" :class="{'heightlight':totalCount > 0}">
            <i class="icon-shopping_cart" :class="{'heightlight':totalCount > 0}"></i>
          </div>
          <div class="num" v-show="totalCount > 0">{{totalCount}}</div>
        </div>
        <div class="price" :class="{'heightlight':totalCount > 0}">¥{{totalPrice}}</div>
        <div class="desc">另需配送费¥{{deliveryPrice}}</div>
      </div>
      <div class="content-right">
        <div class="pay" :class="payClass">
          {{payDesc}}
        </div>
      </div>
    </div>
    <div class="shopcart-list" v-show="listShow">
      <div class="list-header">
        <h1 class="title">购物车</h1>
        <span class="empty">清空</span>
      </div>
      <div class="list-content">
        <ul>
          <li class="food" v-for="food in selectFoods">
            <span class="name">{{food.name}}</span>
            <div class="price">
              <span>¥{{food.price * food.count}}</span>
            </div>
            <div class="cartcontrol-wrapper">
              <cartcontrol :food="food"></cartcontrol>
            </div>
          </li>
        </ul>
      </div>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
  import cartcontrol from 'components/cartcontrol/cartcontrol';
  export default {
    data() {
      return {
        fold: true
      };
    },
    props:{
      deliveryPrice: {
        type: Number,
        default: 0
      },
      minPrice: {
        type: Number,
        default: 0
      },
      selectFoods: {
        type: Array,
        default() {
            return [
            ];
        }
      }
    },
    computed: {
      totalPrice() {
          let total = 0;
          this.selectFoods.forEach((food) => {
              total += food.price * food.count;
          })
        return total;
      },
      totalCount() {
          let count = 0;
          this.selectFoods.forEach((food) => {
              count += food.count;
          })
        return count;
      },
      payDesc() {
        if (this.totalPrice === 0) {
          return '¥' + this.minPrice + '元起送'
        } else if (this.totalPrice < this.minPrice) {
          let diff = this.minPrice - this.totalPrice;
          return '还差¥'+ diff +'元起送';
        } else {
          return '去结算'
        }
      },
      payClass() {
        if (this.totalPrice < this.inPrice) {
          return 'not-enough'
        } else {
          return 'enough'
        }
      },
      listShow() {
        if (!this.totalCount) {
          this.fold = true;
          return false;
        }
        let show = !this.fold;
        return show;
      }
    },
    methods: {
      toggleList() {
        if (!this.totalCount) {
          return;
        }
        this.fold = !this.fold;
      }
    },
    components: {
      cartcontrol
    }
  }
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/style.css"
  .shopcart
    position: fixed
    left: 0
    bottom: 0
    z-index: 50
    width: 100%
    height: 48px
    background: #000
    .content
      display: flex
      margin-left:0
      background: #141d27
      color: rgba(255, 255, 255, 0.4)
      .content-left
        flex: 1
        font-size: 0
        .logo-wrapper
          display: inline-block
          position: relative
          top: -10px
          margin: 0 12px
          padding: 6px
          width: 56px
          height: 56px
          box-sizing: border-box
          vertical-align: top
          border-radius: 50%
          background: #141d27
          .num
            position: absolute
            top: 0
            right: 0
            width: 24px
            height: 16px
            line-height: 16px
            text-align: center
            border-radius: 16px
            font-size: 9px
            font-weight: 700
            color: #fff
            background: rgb(240, 20, 20)
            box-shadow: 0 4px 8px 0 rgba(0, 0,  0, 0.4)
          .logo
            width: 100%
            height: 100%
            border-radius: 50%
            text-align:center
            background: #2b343c
            &.heightlight
              background: rgb(0, 160, 220)
            .icon-shopping_cart
              line-height: 44px
              font-size: 24px
              color: #80858a
              &.heightlight
                color: #fff
        .price
          display: inline-block
          vertical-align: top
          margin-top: 12px
          line-height: 24px
          padding-right: 12px
          box-sizing: border-box
          border-right: 1px solid rgba(255, 255, 255, 0.1)
          font-weight: 700
          font-size: 16px
          &.heightlight
            color: #fff
        .desc
          display: inline-block
          margin-top: 12px
          line-height: 24px
          margin: 12px 0 0 12px
          font-size: 10px
      .content-right
        flex: 0 0 105px
        width: 105px
        .pay
          line-height: 48px;
          height: 48px
          text-align: center
          font-size: 12px
          font-weight: 700
        .not-enough
          background: #2b333b
        .enough
          background: #00b43c
          color: #fff
    .shopcart-list
      position: absolute
      bottom: 43px
      left: 0
      z-index: -1
      width: 100%
      border-bottom: 1px solid rgb(7, 17, 27, 0.1)
      .list-header
        height: 40px
        padding: 0 18px
        background: #f3f5f7
        border-bottom: 1px solid rgb(7, 17, 27, 0.1)
        .title
          float: left
          font-size: 14px
          padding-top: 13px
          color: rgb(7, 17, 27)
        .empty
          float: right
          font-size: 12px
          padding-top: 14px
          color: rgb(0, 160, 220)
      .list-content
        padding: 0 18px
        max-height: 217px
        background: #fff
        overflow: hidden
        width: 100%


</style>
